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Science (6.7)
Earth's Atmosphere
| Term | Definition |
|---|---|
| Air Mass | A huge body of air that has similar temperature, pressure, and humidity throughout |
| Air Pressure | A force that is the result of the weight of the column of air pushing down on an area |
| Altitude | Elevation above sea level |
| Atmosphere | The mixture of gases that surrounds Earth |
| Condensation | The process by which a gas, such as water vapor, changes to a liquid, such as water |
| Density | The amount of mass in a given space |
| Evaporation | The process by which molecules at the surface of a liquid, such as water, absorb enough energy |
| Front | The area where air masses meet and do not mix |
| Humidity | A measure of the amount water vapor in the air |
| Hurricane | A tropical storm that has winds 119 kilometers per hour or higher; typically about 600 kilometers across |
| Mass | A measure of how much matter is in an object |
| Precipitation | Forms when water such as rain, snow, sleet, or hail that falls from the sky reach Earth's surface |
| Thunderstorm | A small, intense weather system that produces winds, rain, thunder and lightning |
| Wind | The horizontal movement of air from an area of high pressure to an area of lower pressure |
Created by:
rn.wang
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